Built-Up Roof

Business / Construction / Built-Up Roof: A roofing composed of three to five layers of asphalt felt laminated with coal tar, pitch, or asphalt. The top is finished with crushed slag or gravel. Generally used on flat or low-pitched roofs.

Business / Real Estate / Rolled Roofing: An asphalt roofing material that is manufactured in rolls with granules on one side. Asphalt roofing is a relatively inexpensive and short-lived product, and should not be used as a roofing material o MORE